A computer worm meant to eliminate another worm caused widespread disruption of access to the Navy-Marine Corps Intranet, denying users access to some network applications since Monday afternoon and causing more problems than the original attack. An as-yet-unknown person started spreading the Welchia worm, which was designed to seek out and eliminate the Blaster worm. The NMCI program office knew about the Blaster worm before it started infecting computers last week and successfully installed countermeasures, Capt. Chris Christopher, NMCI staff...
